Quote Originally Posted by Sirius Glass View Post
Stick to the products from the companies that specialize in film products. Rubbing alcohol can rub the slide the wrong way.

Rubbing alcohol is about 30% water. That water will damage the emulsion. 98% pure isopropyl alcohol mixed with ammonia is actually recommended by Kodak for removing the lacquer. See the last page of the following PDF:


Please note that if the film does not have the lacquer, this process is not necessary. But given the age, it probably does.